New easier to use and safer tech in the original Zippo enclosure!
The insert is all metal and the butane valve is easily accessible to pump in. The button is a little smaller than I'd like it to be but not a big issue. One thing that didn't get a 5 star is that it doesn't seem to catch flame 100% of the time, so sometimes I do need to click twice to get a flame. Overall it is highly recommended to get the insert and I am looking to get the rechargeable arc model to try as well soon.